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Conversion is the process of changing one format is to another. Usually this means a software conversion like from MOV to MP4, but can also be a hardware conversion like from HDMI to composite with separated chroma and luminance by cable.

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decoding for 8-bit 4:2:0 h.264, unfortunately. Same for GPU-accelerated decoding on PCs.) Hmm, I'm not sure whether ffmpeg defaults to the bt.709 or bt.601 color matrix for RGB -> YUV conversion. If …
answered Apr 12 '15 by Peter Cordes
2
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As far as deinterlacing: With a good deinterlacer (QTGMC, or at least ffmpeg's yadif=3,mcdeint=2), you can get smooth video at 60000/1001 (NTSC) fps. If your source has quick motions that you'd like …
answered Feb 4 '15 by Peter Cordes
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doing the initial digital conversion, in case you discover a problem or error with the digital setup and need to redo it! …
answered Apr 11 '15 by Peter Cordes
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The only way to do it with literally zero mathematical quality loss is to make a gigantic output file with a lossless codec. (e.g. utvideo, FFV1, or x264 in lossless mode (--qp 0). A better solution …
answered Feb 25 '15 by Peter Cordes
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issue. Don't assume that all / any players bother to look at color matrix info in the input file. Probably they feed YUV video to the GPU for scaling / RGB-conversion. Presumably the color …
answered Jan 24 '15 by Peter Cordes